plural of fossa

(anatomy) A pit, groove, cavity, or depression. / (astronomy) A long, narrow, shallow depression on the body of an extraterrestrial body, such as a planet or moon.

A large nocturnal reddish-brown catlike mammal (Cryptoprocta ferox) of the civet family, endemic to the rainforests of Madagascar. It is slender, long-tailed and has retractile claws and anal scent glands.

plural of fossa (the mammal)

(astronomy) an area of intense tectonic activity on the surface of Mars; photographed in detail by Mars Express

(anatomy) Either lateral half of the nasal cavity.

(anatomy) The hollow at the end of the scapula into which fits the humerus to make the shoulder joint

(anatomy) poplit (shallow depression located at the back of the knee joint)

(anatomy) The pharyngeal recess behind the ostium of the Eustachian tube.

(anatomy) A small triangular space beneath the apex of the orbit that is bounded above by the sphenoid bone and the orbital process of the palatine bone, in front by the maxilla, medially by the palatine bone, and behind by the pterygoid process of the sphenoid bone and that contains among other structures the pterygopalatine ganglion.